MAPS™ ISDN SIGTRAN - Home - GL Communications Inc...4. SIGTRAN Protocol Stack. Supported Protocols...

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818 West Diamond Avenue - Third Floor, Gaithersburg, MD 20878 Phone: (301) 670-4784 Fax: (301) 670-9187 Email: info@gl.com

Website: http://www.gl.com 1

Scripted SIGTRAN ISDN over IP Emulation

MAPS™ ISDN SIGTRAN

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ISDN SIGTRAN

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Features• Simulates ISDN signalling over IP (ISDN-SIGTRAN)

• Generates and process all ISDN messages such as Setup, Connect, Release messages, and more

• Switch and Subscriber Emulation

• Supports interfacing with both high-speed PRI (Primary Rate Interface or 23B +D) and low-speed BRI (Basic Rate

Interface, or 2B + D) digital lines.

• User controlled access to optional ISDN parameters such as timers

• Provides various release cause codes such as rejected, no user response, user busy, congested, and so on to

troubleshoot the problems in ISDN

• Impairments can be applied to messages to simulate error conditions

• Supports TDM traffic (including digits, voice file, tones, IVR, FAX, Dynamic VF, IVR and Voice Quality Testing) over

IP.

• Supports Client-Server functionality requires additional license; clients supported are TCL, Python, VBScript, Java,

and .Net

• Automation, Remote access, and Schedulers to run tests 24/7

• Supports customization of call flows and message templates using Script editor and Message editor.

• Provides call statistics and associated captured events and error events during call simulation

• Supports Media (including Digits, Voice File, Tones, IVR, FAX, VQT, and Dynamic VF) over TDM lines for PRI.

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SIGTRAN Protocol Stack

Supported Protocols Standard / Specification Used

Q.931 ITU-T Q.931 / Q.932(Facility IE) / Q.955.3 (MLPP Procedures)

IUA RFC 4233 Integrated Services Digital Network (ISDN) Q.921-User Adaptation

Layer

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SIGTRAN currently defines SIX adaption layers

• M2UA: It provides the services of MTP2 in a Client-Server Situation, such as SG to MGC. Its

user would be MTP3.

• M2PA : It provides the services of MTP2 in a Peer-to-Peer Situation, such as SG to SG

Connections. Its user would be MTP3.

• M3UA: It provides the services of MTP3 in both a Client-Server Situation (SG to MGC) & Peer-

to-Peer Architecture, Its user would be SCCP and/or ISUP.

• SUA: It provides the services of SCCP in a Peer-to-Peer Situation, such as SG to IP SCP

Connections. Its user would be TCAP.

• IUA: It provides the services of the ISDN Data Link Layer (LAPD), Its user would be an ISDN

Layer 3 (Q.931) entity.

• V5UA: It provides the services of the V.5.2 Protocol.

Adaption Layers

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Call Simulation over ISDN SIGTRANMAPS™ ISDN SIGTRAN Configuration for Signal

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ISDN SIGTRAN Call Procedure

Call Simulation over ISDN SIGTRAN

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Testbed Configurations

Call Simulation over ISDN SIGTRAN

BRI ISDN Testbed Configurations

PRI ISDN Testbed Configurations

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ProfilesCall Simulation over ISDN SIGTRAN

BRI ISDN Profiles

PRI ISDN Profiles

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Call Generation

Call Simulation over ISDN SIGTRAN

BRI ISDN Call Simulation

PRI ISDN Call Simulation

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Call ReceptionCall Simulation over ISDN SIGTRAN

BRI ISDN Call Reception

PRI ISDN Call Reception

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ISDN Sigtran Events Log

MAPS Feature

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Load Generation

MAPS Feature

Step

Fixed Ramp Uniform

Saw-toothNormal

• Stability/Stress and Performance testing using Load Generation

• Different types of Load patterns to distribute load

• User can load multiple patterns for selected script

• User configurable Test Duration, CPS, Maximum and Minimum Call Rate etc

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ISDN Sigtran Bulk Call GenerationMAPS Feature

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Call and Message Statistics

MAPS Feature

Message Statistics

Call Statistics

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MAPS™ Sigtran Test System

MAPS Feature

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Schedule Test to Run Automatically

MAPS Feature

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Customizations - Call Flow (Scripts)

MAPS Feature

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Customizations - Protocol Messages

MAPS Feature

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Customizations - Statistics and ReportsMAPS Feature

MOS, R-Factor

Packet Loss

Packets Discarded

Duplicate Packets

Out-Of-Sequence

Packets

Jitter Statistics

Call Stats provide a running tabular log of system level

stats, tracked stats include: Total Calls, Active Calls,

Completed Calls, Passed Calls, Failed Calls,

Instantaneous Calls/Sec

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MAPS™ API Architecture

MAPS Feature

• API wraps our proprietary scripting language in standard languages familiar to the user:

➢ Python

➢ Java

➢ VB Scripts

➢ TCL

• Clients and Servers support a “Many-to-Many” relationship, making it very easy for users to

develop complex test cases involving multiple signaling protocols.

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CLI SupportMAPS Feature

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